Hi,
first of all thank you for developing this product, it's very good. I have been using Synergy for a couple of weeks now and today I got this error message saying: "The executable /Applications/Synergy.app/Contents/MacOS/synergys could not be successfully started, although it does exist. Please check if you have sufficient permissions to run this program." Until now everything worked fine. I haven't changed anything - neither in the Synergy config nor in my Mac's system/security configs. I